Abstract
A solar oven system of evacuated tube collector using copper food tray was fabricated and experimental analysis was done to evaluate its performance. The experiments conducted on clear sunny days in the month of December in NIT Kurukshetra, Haryana. The maximum temperature obtained from the food tray was 84°C. Food items can be cooked, fry or bake with this solar oven. Potatoes were baked with this solar oven and kept warm for a time period of about 5 hours and water is heated up to 81°C within 1 hour. The testing of solar oven was carried with and without cooking load. Without any cooking load, the maximum temperature of food tray observed was 84°C. With cooking load, the maximum temperature observed was 81°C. In this solar oven, reflecting sheet is being used beneath the evacuated tube to increase the absorption rate of the evacuated tube. This paper gives experimental results from portable solar oven for water heating and baking potatoes.
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